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Home >> Lexus >> 2017 >> CT 200h Base >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> Throttle Body >> Removal [08/2014 - ] >> Procedure
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Removal [08/2014 - ]: Procedure

  1. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  2. REMOVE RADIATOR SUPPORT OPENING COVER 

    Refer to PROCEDURE - Step 1

  3. REMOVE NO. 2 CYLINDER HEAD COVER 

    Refer to PROCEDURE - Step 20

  4. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 
    1. Disconnect the connector and wire harness clamp.
      GTY355419Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the water hose from the clamp.
      GTY402771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the 2 clamps and remove the air cleaner cap sub-assembly.
    4. Loosen the hose clamp and disconnect the air cleaner hose assembly.
  5. REMOVE WATER HOSE HOSE CLAMP 

    Refer to PROCEDURE - Step 22

  6. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 23

  7. REMOVE AIR CLEANER CASE 
    1. Remove the air cleaner filter element sub-assembly from the air cleaner case.
    2. Disconnect the water hose from the clamp.
      GTY355415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 bolts and air cleaner case.
  8. REMOVE AIR CLEANER HOSE ASSEMBLY 
    1. Disconnect the ventilation hose from the cylinder head cover sub-assembly.
      GTY355413Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Loosen the hose clamp and remove the air cleaner hose assembly from the throttle body assembly.
  9. REMOVE THROTTLE BODY ASSEMBLY 
    1. Type A:
      1. Disconnect the connector.
        GTY327140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disconnect the No. 1 water by-pass hose and No. 2 water by-pass hose.
      3. Remove the 2 bolts, 2 nuts and throttle body assembly.
      4. Remove the gasket from the intake manifold.
        GTY329009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Type B:
      1. Disconnect the connector.
        GTY417501Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disconnect the No. 1 water by-pass hose and No. 2 water by-pass hose.
      3. Remove the 4 bolts and throttle body assembly.
      4. Remove the gasket from the intake manifold.
        GTY379628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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